1402377673 has 2 divisors, whose sum is σ = 1402377674. Its totient is φ = 1402377672.

The previous prime is 1402377623. The next prime is 1402377703. The reversal of 1402377673 is 3767732041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401978249 + 399424 = 37443^2 + 632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402377673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402377623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701188836 + 701188837.

It is an arithmetic number, because the mean of its divisors is an integer number (701188837).

Almost surely, 2^1402377673 is an apocalyptic number.

It is an amenable number.

1402377673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402377673 is an equidigital number, since it uses as much as digits as its factorization.

1402377673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 1402377673 is about 37448.3333808061. Note that the first 4 decimals coincide. The cubic root of 1402377673 is about 1119.3218878248.

The spelling of 1402377673 in words is "one billion, four hundred two million, three hundred seventy-seven thousand, six hundred seventy-three".